WO2013029544A1 - 光纤现场热熔快速连接器 - Google Patents
光纤现场热熔快速连接器 Download PDFInfo
- Publication number
- WO2013029544A1 WO2013029544A1 PCT/CN2012/080725 CN2012080725W WO2013029544A1 WO 2013029544 A1 WO2013029544 A1 WO 2013029544A1 CN 2012080725 W CN2012080725 W CN 2012080725W WO 2013029544 A1 WO2013029544 A1 WO 2013029544A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- optical fiber
- ring
- tail
- quick connector
- protection tube
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/3833—Details of mounting fibres in ferrules; Assembly methods; Manufacture
- G02B6/3846—Details of mounting fibres in ferrules; Assembly methods; Manufacture with fibre stubs
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/381—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres
- G02B6/3826—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres characterised by form or shape
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/3887—Anchoring optical cables to connector housings, e.g. strain relief features
- G02B6/3888—Protection from over-extension or over-compression
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/255—Splicing of light guides, e.g. by fusion or bonding
- G02B6/2558—Reinforcement of splice joint
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/381—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres
- G02B6/3818—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres of a low-reflection-loss type
- G02B6/3821—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres of a low-reflection-loss type with axial spring biasing or loading means
Definitions
- BACKGROUND OF THE INVENTION 1. Field of the Invention This invention relates to fiber optic transmission equipment, and more particularly to the design of anti-bending and tensile capabilities of fiber optic quick connectors. BACKGROUND OF THE INVENTION
- optical fiber quick connectors generally adopt multiple fixing methods. Although the fixing method protects the safety problem of the optical fiber during the pulling process and improves the tensile strength, the ferrule docking is also generated. At the time of the spring compression, the ferrule is retracted, and the optical fiber is bent due to the inability to retreat, resulting in a new problem of large loss.
- the present invention adopts an optical fiber on-site hot-melt quick connector structure to protect the fusion point of the optical fiber inside the tail sleeve, and solves the technical problem that an optical fiber protection disk needs to be independent of the optical fiber fusion.
- the optical fiber field hot melt quick connector provided by the present invention for solving the above technical problem includes a plug portion, a crimping protection tail handle and a pressure ring, and the plug portion includes a plug housing and is disposed in the plug housing.
- the crimping protection tail handle is provided with an annular groove
- the pressure ring is engaged in the annular groove
- the plug portion further comprises a tail connected to the plug housing An end cover, the first end of the end cover is respectively provided with a first connecting end and a second connecting end, the first connecting end is connected with the plug housing, the second The connecting end is connected with a crimping protection tail shank
- the inner hole of the plug housing is provided with a convex front retaining ring
- the inner end hole of the tail end cover is provided with a convex rear retaining ring
- the tube is coaxially fixedly connected, and the ceramic ferrule and at least a portion of the optical fiber telescopic protection tube are interposed between the front retaining ring and the rear retaining ring, and are axially movable, and the optical fiber telescopic protection tube and the rear retaining
- a further improvement of the present invention is that the fiber telescopic protection tube and the ceramic ferrule connection end are provided with a limit gear protruding from the outer surface thereof, the maximum diameter of the limit gear is larger than the inner diameter of the front stop ring, and the return spring
- the inner hole of the plug housing is a stepped hole, and the step between the two holes is a front retaining ring.
- the optical fiber telescopic protection tube is disposed between the limiting gear and the rear retaining ring.
- a further improvement of the present invention is that the quick connector further includes a fusion splice protection tube, the heat-shrinkable fusion splice protection tube is disposed in the middle hole of the crimping protection tail handle, and the tail end of the optical fiber telescopic protection tube An annular rough surface is disposed on the end, and one end of the heat-shrinkable fusion-point protection tube is heat-shrinked and sleeved and fixed on the rough surface.
- the quick connector also includes a tail sleeve that fits over the crimp protection tail and the pressure ring.
- the optical fiber quick connector of the invention has a certain movable space in the axial direction.
- DRAWINGS 1 is an exploded perspective view of an optical fiber field hot melt quick connector of the present invention.
- the fiber optic field hot melt quick connector includes a plug portion 10, a crimp protection tail handle 20 and a pressure ring 30.
- the plug portion 10 includes a plug housing 11 and is disposed on the plug housing.
- the ceramic ferrule 12 and the optical fiber telescopic protection tube 13 are disposed on the crimping protection tail shank 20, and the pressure ring 30 is engaged in the annular groove 21, and the plug portion 10 is The end cover 14 is connected to the plug housing 11.
- the two ends of the end cover 14 are respectively provided with a first connecting end 141 and a second connecting end 142.
- the first connecting end 141 and the plug housing 11 are respectively provided.
- the second connecting end 142 is connected to the crimping protection tail shank 20, the inner hole of the plug housing 11 is provided with a convex front retaining ring 111, and the inner end of the tail end cover 14 is provided with a convex rear
- the retaining ring 143, the ceramic ferrule 12 is coaxially fixedly connected to the optical fiber telescopic protection tube 13, and the ceramic ferrule 12 and at least a portion of the optical fiber telescopic protection tube 13 are interposed between the front retaining ring 111 and the rear retaining ring 143. Between and can move axially.
- a length 81 of two docking fibers is embedded in the inner hole of the plug portion 10, and the crimp protection tail handle 20 is used to protect the two pairs of optical solder.
- the pressure ring 30 is mounted, another cable for docking the optical fiber 82 is used.
- the sheath and the spun yarn 71 are fitted and fixed between the pressure ring 30 and the annular groove 21, and the butt fiber 82 is fixed by the pressure ring 30.
- the tail end cover 14 connected to the plug housing 11 of the present invention constitutes a hollow space, and the ceramic ferrule 12 and the optical fiber telescopic protection tube 13 are disposed in the space, and the two ends of the space respectively have a front stop ring 111 and a rear stop ring 143 defines axial movement
- the position of the ceramic ferrule 12 and the optical fiber telescopic protection tube 13 has a certain axial movable margin in the above space.
- a return spring 15 is further disposed between the optical fiber telescopic protection tube 13 and the rear stop ring 143, and the connection end 131 of the optical fiber expansion protection tube 13 and the ceramic ferrule 12 is provided with a protrusion protruding from the outer surface thereof.
- a limit position 132 the maximum diameter of the limit position 132 is larger than the inner diameter of the front stop ring 111, and the return spring 15 is sleeved on the optical fiber expansion protection tube 13 and between the limit position 132 and the rear stop ring 143 .
- the front end movement limit of the optical fiber telescopic protection tube 13 and the ceramic ferrule 12 is realized by the limit position 132 and the front stop ring 111, so that the ceramic ferrule 12 is prevented from being pulled out from the front end, and the limit position 132 is also restored.
- the spring seat of the spring 15 fixes one end of the return spring 15, and the other end of the return spring abuts against the rear stop ring 143, and the rear stop ring 143 limits the maximum distance of the optical fiber telescopic protection tube 13 in the axial direction of this end.
- the inner hole of the plug housing 11 is a stepped hole, the step between the two holes is the front stop ring 111. As shown in FIG. 1 and FIG.
- the quick connector further includes a fusion point protection tube 40, and the fusion point protection tube 40 is disposed in the middle hole of the crimp protection tail shank 20, and the fusion point protection tube 40 is preferably It is a heat shrinkable sleeve.
- An end surface 133 of the optical fiber telescopic protection tube 13 is provided with an annular rough surface 134.
- One end of the heat-shrinkable welding point protection tube 40 is heat-shrinked and sleeved and fixed on the rough surface 134.
- the splice point protection tube 40 of the present invention is for fixing the two butt fibers 81 and 82, and the two butt fibers 81 and 82 are welded at the thermal melting point 70.
- the quick connector further includes a tail sleeve 50 that fits over the crimp protection tail shank 20 and the pressure ring 30.
- the tail sleeve 50 mainly protects the crimping protection tail shank 20 and the optical fiber inside thereof, and the tail sleeve is a rubber sleeve, which serves to buffer external impact, and at the same time, the sealing performance of the rubber sleeve is better.
- the first connecting end 141 and the plug housing 11 and the second connecting end 142 are connected to the crimping protection tail shank 20 by screwing, snapping, crimping or bonding.
- the quick connector further includes a lock ring 60, including a stop ring 62 protruding from the inner hole of the lock ring 60, and a stop ring 62-side disposed internal thread 61.
- the ring 62 is caught between the second connection end 142 and the crimp protection tail shank 20.
- the lock ring 60 mainly functions to fix the docking connector, the internal thread 61 is used to connect the docking connector, and the stop ring 62 is used to fix the connector. After the two connectors are docked, the lock is tightened. The ring 60 ensures that the two butt connectors are tightly connected and are not loose.
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/822,683 US9158076B2 (en) | 2011-08-29 | 2012-08-29 | On-site hot-melt quick connector for optical fibers |
SG2013053301A SG191937A1 (en) | 2011-08-29 | 2012-08-29 | On-site hot melting quick optical fiber connector |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201110250575.5 | 2011-08-29 | ||
CN2011102505755A CN102289037B (zh) | 2011-08-29 | 2011-08-29 | 光纤现场热熔快速连接器 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2013029544A1 true WO2013029544A1 (zh) | 2013-03-07 |
Family
ID=45335586
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CN2012/080725 WO2013029544A1 (zh) | 2011-08-29 | 2012-08-29 | 光纤现场热熔快速连接器 |
Country Status (4)
Country | Link |
---|---|
US (1) | US9158076B2 (zh) |
CN (1) | CN102289037B (zh) |
SG (1) | SG191937A1 (zh) |
WO (1) | WO2013029544A1 (zh) |
Families Citing this family (16)
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CN102289037B (zh) * | 2011-08-29 | 2013-01-16 | 深圳市特发信息光网科技股份有限公司 | 光纤现场热熔快速连接器 |
CN102681093B (zh) * | 2012-06-07 | 2014-06-25 | 苏州新海宜通信科技股份有限公司 | 一种引入光缆热熔保护器 |
US8998506B2 (en) | 2012-09-14 | 2015-04-07 | 3M Innovative Properties Company | Field terminable ST format optical fiber connector |
CN103308991A (zh) * | 2013-06-06 | 2013-09-18 | 上海永鼎光电子技术有限公司 | 一种lc型短尾短热缩管光纤活动连接器 |
US10209459B2 (en) | 2014-09-26 | 2019-02-19 | Commscope Telecommunications (Shanghai) Co., Ltd. | Optical fiber connector and assembly method therefor |
ES1137083Y (es) * | 2015-02-17 | 2015-05-25 | Telefonica Sa | Dispositivo conector óptico de montaje en campo exterior |
CN105372764B (zh) * | 2015-07-31 | 2017-06-27 | 中航光电科技股份有限公司 | 支撑套及使用该支撑套的光纤连接器 |
CN108089269A (zh) * | 2016-11-22 | 2018-05-29 | 深圳市比洋光通信科技股份有限公司 | 一种蝶形光缆连接器 |
CN106597610A (zh) * | 2017-01-24 | 2017-04-26 | 东莞市广业电子有限公司 | 一种可盲插的光纤插头 |
WO2018146924A1 (ja) * | 2017-02-10 | 2018-08-16 | 富士フイルム株式会社 | 光コネクタおよび光音響波発生装置 |
JP2018205387A (ja) * | 2017-05-31 | 2018-12-27 | 矢崎総業株式会社 | 光コネクタ |
CN107390320A (zh) * | 2017-08-04 | 2017-11-24 | 无锡爱沃富光电科技有限公司 | 一种光纤零弯曲的热熔式快速连接器 |
US10845549B2 (en) | 2018-02-08 | 2020-11-24 | Canon U.S.A., Inc. | Multiplex optical fiber connector |
CN109298486B (zh) * | 2018-10-24 | 2023-10-20 | 安徽光纤光缆传输技术研究所(中国电子科技集团公司第八研究所) | 微型金属光纤连接器及其封装方法 |
CN114578488B (zh) * | 2020-12-01 | 2024-03-12 | 深南电路股份有限公司 | 光纤线路板单元、光传输装置以及光电混合线路板 |
CN116360044A (zh) * | 2023-03-01 | 2023-06-30 | 东莞市良裕嘉五金科技有限公司 | 一种光通信模块的对接防护结构 |
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-
2012
- 2012-08-29 SG SG2013053301A patent/SG191937A1/en unknown
- 2012-08-29 WO PCT/CN2012/080725 patent/WO2013029544A1/zh active Application Filing
- 2012-08-29 US US13/822,683 patent/US9158076B2/en active Active
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JP2008225461A (ja) * | 2007-02-09 | 2008-09-25 | Fujikura Ltd | コネクタ付き光ファイバケーブルおよび光コネクタ、ならびに光コネクタの組立方法 |
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Also Published As
Publication number | Publication date |
---|---|
US20130177278A1 (en) | 2013-07-11 |
US9158076B2 (en) | 2015-10-13 |
CN102289037A (zh) | 2011-12-21 |
SG191937A1 (en) | 2013-08-30 |
CN102289037B (zh) | 2013-01-16 |
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